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382240231 = 927741203
BaseRepresentation
bin10110110010001…
…000010111100111
3222122020211000121
4112302020113213
51240323141411
6101532422411
712320663002
oct2662102747
9878224017
10382240231
1118684581a
12a8017a07
1361263a69
1438aa0539
1523856571
hex16c885e7

382240231 has 4 divisors (see below), whose sum is σ = 382290712. Its totient is φ = 382189752.

The previous prime is 382240211. The next prime is 382240247. The reversal of 382240231 is 132042283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 382240231 - 29 = 382239719 is a prime.

It is a super-2 number, since 2×3822402312 = 292215188389866722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 382240196 and 382240205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382240211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11325 + ... + 29878.

It is an arithmetic number, because the mean of its divisors is an integer number (95572678).

Almost surely, 2382240231 is an apocalyptic number.

382240231 is a deficient number, since it is larger than the sum of its proper divisors (50481).

382240231 is an equidigital number, since it uses as much as digits as its factorization.

382240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50480.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 382240231 is about 19550.9649633976. The cubic root of 382240231 is about 725.7362198704.

The spelling of 382240231 in words is "three hundred eighty-two million, two hundred forty thousand, two hundred thirty-one".

Divisors: 1 9277 41203 382240231